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Re: Bat Flapping

All wings with sharp leading edges flying at a non-zero angle of attack do this. It is particularly useful for membrane wings because it helps keep the pressure jump between the upper and lower surfaces established.

----- Original Message ----- From: "Richard W. Travsky" <rtravsky@uwyo.edu>
To: <dinosaur@usc.edu>
Sent: Monday, March 03, 2008 9:54 AM
Subject: Bat Flapping


the sharp edge at the front of their wings cuts through the air in such a way as to create a vortex on top of the wing,